Searched refs:cs_gpio (Results 1 - 21 of 21) sorted by relevance

/linux-4.1.27/drivers/spi/
H A Dspi-dw-mmio.c91 int cs_gpio = of_get_named_gpio(pdev->dev.of_node, dw_spi_mmio_probe() local
94 if (cs_gpio == -EPROBE_DEFER) { dw_spi_mmio_probe()
95 ret = cs_gpio; dw_spi_mmio_probe()
99 if (gpio_is_valid(cs_gpio)) { dw_spi_mmio_probe()
100 ret = devm_gpio_request(&pdev->dev, cs_gpio, dw_spi_mmio_probe()
H A Dspi-bcm2835.c209 if (gpio_is_valid(spi->cs_gpio)) { bcm2835_spi_transfer_one_irq()
268 * not get called for cs_gpio cases, so we need to do it here bcm2835_spi_transfer_one()
270 if (gpio_is_valid(spi->cs_gpio) || (spi->mode & SPI_NO_CS)) bcm2835_spi_transfer_one()
321 * calling us ONLY when cs_gpio is not set bcm2835_spi_set_cs()
384 if (gpio_is_valid(spi->cs_gpio)) bcm2835_spi_setup()
403 spi->cs_gpio = chip->base + 8 - spi->chip_select; bcm2835_spi_setup()
407 spi->chip_select, spi->cs_gpio); bcm2835_spi_setup()
410 err = gpio_direction_output(spi->cs_gpio, bcm2835_spi_setup()
415 spi->chip_select, spi->cs_gpio, err); bcm2835_spi_setup()
422 gpio_set_value(spi->cs_gpio, (spi->mode & SPI_CS_HIGH) ? 0 : 1); bcm2835_spi_setup()
H A Dspi-fsl-spi.c465 if (gpio_is_valid(spi->cs_gpio)) { fsl_spi_setup()
468 retval = gpio_request(spi->cs_gpio, fsl_spi_setup()
474 retval = gpio_direction_output(spi->cs_gpio, desel); fsl_spi_setup()
476 gpio_free(spi->cs_gpio); fsl_spi_setup()
479 } else if (spi->cs_gpio != -ENOENT) { fsl_spi_setup()
480 if (spi->cs_gpio < 0) fsl_spi_setup()
481 return spi->cs_gpio; fsl_spi_setup()
484 /* When spi->cs_gpio == -ENOENT, a hole in the phandle list fsl_spi_setup()
501 if (mpc8xxx_spi->type == TYPE_GRLIB && gpio_is_valid(spi->cs_gpio)) fsl_spi_cleanup()
502 gpio_free(spi->cs_gpio); fsl_spi_cleanup()
575 if (gpio_is_valid(spi->cs_gpio)) { fsl_spi_grlib_cs_control()
576 gpio_set_value(spi->cs_gpio, on); fsl_spi_grlib_cs_control()
H A Dspi-mpc512x-psc.c110 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) mpc512x_psc_spi_activate_cs()
118 if (mps->cs_control && gpio_is_valid(spi->cs_gpio)) mpc512x_psc_spi_deactivate_cs()
360 if (gpio_is_valid(spi->cs_gpio)) { mpc512x_psc_spi_setup()
361 ret = gpio_request(spi->cs_gpio, dev_name(&spi->dev)); mpc512x_psc_spi_setup()
368 gpio_direction_output(spi->cs_gpio, mpc512x_psc_spi_setup()
383 if (gpio_is_valid(spi->cs_gpio)) mpc512x_psc_spi_cleanup()
384 gpio_free(spi->cs_gpio); mpc512x_psc_spi_cleanup()
466 gpio_set_value(spi->cs_gpio, onoff); mpc512x_spi_cs_control()
H A Dspi-davinci.c222 if (spi->cs_gpio >= 0) { davinci_spi_chipselect()
223 /* SPI core parse and update master->cs_gpio */ davinci_spi_chipselect()
225 gpio = spi->cs_gpio; davinci_spi_chipselect()
436 if (np && (master->cs_gpios != NULL) && (spi->cs_gpio >= 0)) { davinci_spi_setup()
438 spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); davinci_spi_setup()
443 spi->cs_gpio = pdata->chip_sel[spi->chip_select]; davinci_spi_setup()
445 spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); davinci_spi_setup()
451 spi->cs_gpio, retval); davinci_spi_setup()
1005 int cs_gpio = of_get_named_gpio(pdev->dev.of_node, davinci_spi_probe() local
1008 if (cs_gpio == -EPROBE_DEFER) { davinci_spi_probe()
1009 ret = cs_gpio; davinci_spi_probe()
1013 if (gpio_is_valid(cs_gpio)) { davinci_spi_probe()
1014 ret = devm_gpio_request(&pdev->dev, cs_gpio, davinci_spi_probe()
H A Dspi-bfin-sport.c104 u32 cs_gpio; member in struct:bfin_sport_spi_slave_data
147 gpio_direction_output(chip->cs_gpio, 0); bfin_sport_spi_cs_active()
153 gpio_direction_output(chip->cs_gpio, 1); bfin_sport_spi_cs_deactive()
522 "state is set to: baud %d, cs_gpio %i, ctl 0x%x\n", bfin_sport_spi_pump_messages()
523 drv_data->cur_chip->baud, drv_data->cur_chip->cs_gpio, bfin_sport_spi_pump_messages()
621 chip->cs_gpio = spi->chip_select; bfin_sport_spi_setup()
622 ret = gpio_request(chip->cs_gpio, spi->modalias); bfin_sport_spi_setup()
654 gpio_free(chip->cs_gpio); bfin_sport_spi_cleanup()
H A Dspi-s3c64xx.c794 /* On non-DT platforms the SPI core will set spi->cs_gpio s3c64xx_spi_setup()
796 * is defined by using platform data so spi->cs_gpio value s3c64xx_spi_setup()
799 spi->cs_gpio = cs->line; s3c64xx_spi_setup()
808 if (gpio_is_valid(spi->cs_gpio)) { s3c64xx_spi_setup()
809 err = gpio_request_one(spi->cs_gpio, GPIOF_OUT_INIT_HIGH, s3c64xx_spi_setup()
814 spi->cs_gpio, err); s3c64xx_spi_setup()
873 if (gpio_is_valid(spi->cs_gpio)) s3c64xx_spi_setup()
874 gpio_free(spi->cs_gpio); s3c64xx_spi_setup()
888 if (gpio_is_valid(spi->cs_gpio)) { s3c64xx_spi_cleanup()
889 gpio_free(spi->cs_gpio); s3c64xx_spi_cleanup()
894 * spi->cs_gpio to -ENOENT and .setup() s3c64xx_spi_cleanup()
898 spi->cs_gpio = -ENOENT; s3c64xx_spi_cleanup()
H A Dspi-adi-v3.c105 u32 cs_gpio; member in struct:adi_spi_device
161 gpio_set_value(chip->cs_gpio, 0); adi_spi_cs_active()
174 gpio_set_value(chip->cs_gpio, 1); adi_spi_cs_deactive()
688 chip->cs_gpio = chip->cs - MAX_CTRL_CS; adi_spi_setup()
689 ret = gpio_request_one(chip->cs_gpio, GPIOF_OUT_INIT_HIGH, adi_spi_setup()
740 gpio_free(chip->cs_gpio); adi_spi_cleanup()
H A Dspi-img-spfi.c458 ret = gpio_request_one(spi->cs_gpio, img_spfi_setup()
464 spi->cs_gpio); img_spfi_setup()
468 if (gpio_is_valid(spi->cs_gpio)) { img_spfi_setup()
472 ret = gpio_direction_output(spi->cs_gpio, mode); img_spfi_setup()
475 spi->cs_gpio, ret); img_spfi_setup()
487 gpio_free(spi->cs_gpio); img_spfi_cleanup()
H A Dspi-clps711x.c44 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); spi_clps711x_setup()
H A Dspi-bfin5xx.c120 u32 cs_gpio; member in struct:bfin_spi_slave_data
170 gpio_set_value(chip->cs_gpio, 0); bfin_spi_cs_active()
179 gpio_set_value(chip->cs_gpio, 1); bfin_spi_cs_deactive()
1052 chip->cs_gpio = chip->chip_select_num - MAX_CTRL_CS; bfin_spi_setup()
1097 ret = gpio_request(chip->cs_gpio, spi->modalias); bfin_spi_setup()
1102 gpio_direction_output(chip->cs_gpio, 1); bfin_spi_setup()
1130 gpio_free(chip->cs_gpio); bfin_spi_setup()
1165 gpio_free(chip->cs_gpio); bfin_spi_cleanup()
H A Dspi-st-ssc4.c204 int cs = spi->cs_gpio; spi_st_cleanup()
217 int cs = spi->cs_gpio; spi_st_setup()
H A Dspi-imx.c1114 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); spi_imx_probe() local
1115 if (!gpio_is_valid(cs_gpio) && mxc_platform_info) spi_imx_probe()
1116 cs_gpio = mxc_platform_info->chipselect[i]; spi_imx_probe()
1118 spi_imx->chipselect[i] = cs_gpio; spi_imx_probe()
1119 if (!gpio_is_valid(cs_gpio)) spi_imx_probe()
H A Dspi-sirf.c510 gpio_direction_output(spi->cs_gpio, spi_sirfsoc_chipselect()
514 gpio_direction_output(spi->cs_gpio, spi_sirfsoc_chipselect()
636 if (spi->cs_gpio == -ENOENT) spi_sirfsoc_setup()
H A Dspi-dw.c471 if (gpio_is_valid(spi->cs_gpio)) { dw_spi_setup()
472 ret = gpio_direction_output(spi->cs_gpio, dw_spi_setup()
H A Dspi-pl022.c2162 int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); pl022_probe() local
2164 if (cs_gpio == -EPROBE_DEFER) { pl022_probe()
2169 pl022->chipselects[i] = cs_gpio; pl022_probe()
2171 if (gpio_is_valid(cs_gpio)) { pl022_probe()
2172 if (devm_gpio_request(dev, cs_gpio, "ssp-pl022")) pl022_probe()
2175 cs_gpio); pl022_probe()
2176 else if (gpio_direction_output(cs_gpio, 1)) pl022_probe()
2179 cs_gpio); pl022_probe()
H A Dspi-rockchip.c279 * if (spi->cs_gpio >= 0) rockchip_spi_set_cs()
280 * gpio_set_value(spi->cs_gpio, !enable); rockchip_spi_set_cs()
H A Dspi-sh-msiof.c529 spi->cs_gpio = (uintptr_t)spi->controller_data; sh_msiof_spi_setup()
539 if (spi->cs_gpio >= 0) sh_msiof_spi_setup()
540 gpio_set_value(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); sh_msiof_spi_setup()
H A Dspi.c251 spi->cs_gpio = -ENOENT; spi_alloc_device()
322 spi->cs_gpio = master->cs_gpios[spi->chip_select]; spi_add_device()
467 if (spi->cs_gpio >= 0) spi_set_cs()
468 gpio_set_value(spi->cs_gpio, !enable); spi_set_cs()
H A Dspi-atmel.c1012 if (gpio_is_valid(spi->cs_gpio)) atmel_spi_setup()
1013 npcs_pin = spi->cs_gpio; atmel_spi_setup()
/linux-4.1.27/include/linux/spi/
H A Dspi.h60 * @cs_gpio: gpio number of the chipselect line (optional, -ENOENT when
99 int cs_gpio; /* chip select gpio */ member in struct:spi_device

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